concord civil rights attorney said he doesn't comment on pending litigation, but the city will defend the lawsuit. joe vasquez, kpix5. >>> a quick-thinking witness led san leandro police to a trio of teens who snatched a woman's purse. a teen girl mugged the woman yesterday morning in the parking lot of the bay fair mall. but a witness saw the whole thing. >> she was kicked repeatedly and struck repeatedly and it was all for a purse that the suspect was trying to steal. >> the teen ran to a waiting car and it took off. police quickly caught up with the group in oakland. the victim is a little sore, but said to be all right. >> the man who killed a heyward high school student and shot at his friends has been convicted of murder. samuel shot to death in 2010 following a confrontation at a local park. prosecutors say the killer, 23- year-old, robert, got into a stare down and some of his friends. for some reason, he became upset, nava and his friends drove off, but ran into him a short time later. that's when yim shot at them. sentencing is scheduled for march. he faces up to 69 years in